DSiWare Exports: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
|||
| Line 35: | Line 35: | ||
|- | |- | ||
| 0x4020 | | 0x4020 | ||
| | | 0xC0 | ||
| Header section | | Header section | ||
| AES-CTR | | AES-CTR | ||
|- | |- | ||
| | | 0x40E0 | ||
| | | 0x420 | ||
| Footer section | | Footer section | ||
| AES-CBC | | AES-CBC | ||
|- | |- | ||
| | | 0x4500 | ||
| | | | ||
| Data for the 4 content sections are stored here. | | Data for the 4 content sections are stored here. | ||
| AES-CTR | | AES-CTR | ||
|} | |} | ||
Revision as of 16:46, 22 April 2013
The DSiWare exported from a 3DS is located at "sdmc:/Nintendo 3DS/<ID0>/<ID1>/Nintendo DSiWare". Filenames are same format as DSi: "<TitleID-Low>.bin". The below sizes include the 0x20-byte block metadata.
DSiWare exported from 3DS use keyslots initialized by movable.sed.
Block Metadata
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x10 | AES MAC |
| 0x10 | 0x10 | CTR for AES-CTR / IV for AES-CBC, generated by the RNG. |
Each section begins with the actual encrypted data, followed by this block metadata.
File Structure
| Offset | Size | Description | Algorithm Type |
|---|---|---|---|
| 0x0 | 0x4020 | Banner section | AES-CBC |
| 0x4020 | 0xC0 | Header section | AES-CTR |
| 0x40E0 | 0x420 | Footer section | AES-CBC |
| 0x4500 | Data for the 4 content sections are stored here. | AES-CTR |